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Level 2 Mechanics > Variables, Symbols And Units. > Flashcards

Variables, Symbols And Units. Flashcards

1
Q

What is the symbol and SI unit for Distance?

A

d, metres (m)

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2
Q

What is the symbol and SI unit for time?

A

t, seconds (s)

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3
Q

What is the symbol and SI unit for velocity?

A

v, metres per second (ms^-1).

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4
Q

What is the symbol and SI unit for initial velocity?

A

vi, metres per second (ms^-1)

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5
Q

What is the symbol and SI unit for final velocity?

A

vf, metres per second (ms^-1)

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6
Q

What is the symbol and SI unit for acceleration?

A

a, metres per second per second (ms^-2)

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7
Q

What is the symbol and SI unit for mass?

A

m, kilograms (kg)

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8
Q

What is the symbol and SI unit for force?

A

F, newtons (N)

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9
Q

What is the symbol and SI unit for momentum?

A

P, kilogram metres per second (kgms^-1)

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10
Q

What is the symbol and SI unit for impulse?

A

🔺p, kilogram metres per second (kgms^-1)

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11
Q

What is the symbol and SI unit for centripetal acceleration?

A

ac, metres per second per second (ms^-2)

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12
Q

What is the symbol and SI unit for centripetal force?

A

Fc, newtons (N)

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13
Q

What is the symbol and SI unit for torque?

A

T, newton metres(Nm)

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14
Q

What is the symbol and SI unit for work?

A

W, joules (J)

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15
Q

What is the symbol and SI unit for power?

A

P, watts (W)

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16
Q

What is the symbol and SI unit for kinetic energy?

A

Ek, joules (J)

17
Q

What is the symbol and SI unit for potential energy?

A

Ep, joules (J)

18
Q

What is the symbol and SI unit for potential energy?

A

Ep, joules (J)

19
Q

What is the symbol and SI unit for spring extension?

A

x, metres (m)

20
Q

What is the symbol and SI unit for spring constant?

A

k, newtons per metre (Nm^-1)

21
Q

What is the symbol for change?

A

🔺

22
Q

Define centripetal force.

A

The force acting on an object in order for it to travel on a circular path at a constant speed.

23
Q

Define work in terms of energy.

A

Work is a transfer or conversion of energy.

24
Q

Name two forms of potential energy.

A

Gravitational, elastic, chemical, nuclear.

Level 2 Mechanics (17 decks)

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